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Mathematics 14 Online
OpenStudy (anonymous):

he table shows the relationship between the number of laps that Mary ran and the time, in minutes, that she spent running. Running Times Number of Laps Time (in minutes) 1 2 3 8 5 14 8 23 Which of these best describes this relationship? A. nonlinear B. linear C. directly proportional D. inversely proportional

OpenStudy (anonymous):

2,8,14,23 are minutes

Miracrown (miracrown):

To best appreciate the data here, it would be best to graph it:

Miracrown (miracrown):

For these 4 data points, it appears that they are falling on a straight line:

Miracrown (miracrown):

So at this stage, we can eliminate both A and D from consideration.

Miracrown (miracrown):

If our blue line passes through teh origin, then C would be the best choice.

Miracrown (miracrown):

It does seem to reason that if she runs 0 laps, it should take 0 minutes.

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